Update sidebar.

It now is an overlay on mobile

assets/diary/calendar.js

@@ -1,23 +1,5 @@
 (function () {
   var cal = document.querySelector(".diary-cal");
   if (!cal) return;
-
   cal.querySelectorAll(".dropdown > button").forEach(wireDropdown);
-
-  var toggle = document.createElement("button");
-  toggle.type = "button";
-  toggle.className = "panel-toggle";
-  toggle.textContent = "Kalender";
-  toggle.setAttribute("aria-expanded", "false");
-  toggle.addEventListener("click", function () {
-    var open = cal.classList.toggle("is-open");
-    toggle.setAttribute("aria-expanded", open ? "true" : "false");
-  });
-
-  var main = document.querySelector("main");
-  if (!main) return;
-  main.parentNode.insertBefore(toggle, main);
-  if (window.matchMedia("(max-width: 1100px)").matches) {
-    main.parentNode.insertBefore(cal, main);
-  }
 })();